Investors may be wondering if Denison Mines is still attractively priced after a strong run, or if most of the easy gains are already on the table. The stock last closed at $4.90, with a 7 day return of a 4.5% decline and a 30 day return of a 3.5% decline. However, its 1 year return of 141.4% and 3 year return of 222.4% put its longer term performance in sharp focus. Recent coverage has centered on Denison Mines as part of ongoing investor interest in uranium and nuclear related plays, which...